Sir Iain Duncan Smith is one of the longest-serving MPs in Parliament, having first been elected in April 1992 and ranking fifth among all active MPs for length of service, and third among Conservative MPs. He has cast 281 votes across 575 eligible divisions for a participation rate of 48.87 percent, ranking 336th overall among MPs and 52nd among Conservative MPs. He has made 469 debate contributions across 189 debates, ranking 164th overall and second among MPs elected in 1992, with his contributions focusing primarily on Foreign Affairs and Defence, Justice and Law, and International Development. There is a notable divergence between his voting and debate activity, with his debate contributions ranking considerably higher than his voting participation, though he holds no current government post.

Summary generated on 21/07/2026 (View details)